Barracuda Swim Goggle - Curved Lenses Streamline Design, Anti-Fog UV Protection, One-Piece Frame Soft Seals, Easy Adjusting Comfortable Leak Proof for Adults Men Women #32420 High-quality anti-fog curved lenses for crystal clear visual field: you can see clearly underwater and enjoy swimming as long as you want while swimming for training and recreation Ultra lightweight streamlined one-piece frame is easy to wear and provides added comfort and seal. The soft nose bridge contracts and expands, self-adjusting to each individuals unique facial structure. Chlorine proof soft silicone split strap holds goggle in place with extra comfort Easy adjustment side clips offer a quick fit. Adjusting the strap is easy. Push the buttons on each side of the frame to release the strap and adjust to the desired length. Simply release the button to lock the strap in place. Free carry case included: you can keep the goggle from dust and scratches after use.